- High-concerned chemical: None
- Item Type: Shell
- Origin: Mainland China
- Power mode: lithium battery
- color: Walnut
- frequency response range: 100HZ-20KHZ
- Built-in battery capacity: 1200mAh-2000mAh (inclusive)
- connection method: Bluetooth connection
- Additional features: insert card
- Bluetooth version: 5.3
- Is it built-in battery?: Built-in battery
- Box material: ABS
- Waterproof grade: Not waterproof.
- effective distance: 10 meters
- signal to noise ratio: ≥70db






















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